green fluorescent protein

green fluorescent protein (GFP)

a protein obtained from the jellyfish Aequorea victoria that emits a bright green fluorescence when illuminated. GFP is used to monitor gene expression, gene transfer across plasma membranes, and cell surface activity.

An intrinsically fluorescent protein from the jellyfish Aequorea victoria; gene fusions with GFP may be used to localize proteins by fluorescence microscopy or can be integrated into cloned organisms to highlight tissues of interest

By 2 months after treatment, there was no difference between the treated animals and controls, in other studies, mice whose bone marrow was destroyed with chemotherapeutic agents were injected with peripheral blood from transgenic animals with germline cells expressing green fluorescent protein.

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